Estadio: Court 3 Round: 26 Ground: Clay
| Challenger de Ambato | 2021/09/21 15:00 | Alejandro Gonzalez v Pedro Sakamoto | 3-6,4-6 |
| ITF M25 Medellín | 2021/09/18 14:50 | Pedro Sakamoto v Gilbert S K Junior | 3-6,6-7 |
| ITF M25 Medellín | 2021/09/17 15:00 | Pedro Sakamoto v Juan A H Serrano | 6-3,6-2 |
| ITF M25 Medellín | 2021/09/16 14:55 | Pedro Sakamoto v Luciano Tacchi | 6-4,6-2 |
| ITF M25 Medellín | 2021/09/15 15:00 | Pedro Sakamoto v Andres Urrea | 6-3,6-3 |
| ITF M25 Medellín | 2021/09/13 20:00 | Pedro Sakamoto v Felipe Hernandez | 6-0,6-0 |
| ITF M25 Medellín | 2021/09/13 15:00 | Pedro Sakamoto v Tomas Builes | 6-0,6-0 |
| ITF M25 Medellín | 2021/09/12 15:00 | Pedro Sakamoto v Joao Eduardo Schiessl | 6-2,6-1 |
| Challenger de Ambato | 2021/09/21 17:40 | Pol Martin Tiffon v Johan Nikles | 5-7,6-7 |
| Challenger de Quito | 2021/09/14 15:00 | Johan Nikles v Alexis Gautier | 0-6,4-6 |
| ITF M25 Oviedo | 2021/09/02 10:20 | Johan Nikles v Alvaro Lopez San Martin | 6-7,6-4,5-7 |
| ITF M25 Oviedo | 2021/09/01 14:20 | Johan Nikles v Julio Cesar Porras | 7-5,6-4 |
| ITF M25 Oviedo | 2021/08/31 10:00 | Johan Nikles v Federico Zeballos | 7-6,6-2 |
| Challenger de Varsovia | 2021/08/25 10:30 | Johan Nikles v Jozef Kovalik | 3-6,4-6 |
| Challenger de Varsovia | 2021/08/24 11:30 | Johan Nikles v Jonathan Mridha | 6-4,6-7,6-3 |
| Challenger de Varsovia | 2021/08/22 13:35 | Johan Nikles v Lucas Gerch | 6-4,7-5 |